tutool工具包学习

2021-09-12

数据库操作

DbConfig conf = new DbConfig("jdbc:mysql://localhost:3306/test?useUnicode=true", "root", "123456");
        conf.setMaxActive(1);
        PooledDataSource ds = new PooledDataSource(conf);
        Connection c = ds.getConnection();
        SqlConnRunner r = SqlConnRunner.create(ds);
        Entity entity = new Entity("tb_cus");
        long l = r.count(c,  entity);
        System.out.println(l);